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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: EnumField.html 842 2015-03-07 18:20:42Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb.core;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.util.List;<a name="line.10"></a>
<span class="sourceLineNo">011</span><a name="line.11"></a>
<span class="sourceLineNo">012</span>/**<a name="line.12"></a>
<span class="sourceLineNo">013</span> * A field that contains one entry in an ordered list of unique {@link String} identifiers.<a name="line.13"></a>
<span class="sourceLineNo">014</span> *<a name="line.14"></a>
<span class="sourceLineNo">015</span> * &lt;p&gt;<a name="line.15"></a>
<span class="sourceLineNo">016</span> * Two instances of this class are considered compatible only when their ordered lists of identifiers are identical.<a name="line.16"></a>
<span class="sourceLineNo">017</span> * &lt;/p&gt;<a name="line.17"></a>
<span class="sourceLineNo">018</span> */<a name="line.18"></a>
<span class="sourceLineNo">019</span>public class EnumField extends SimpleField&lt;EnumValue&gt; {<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>    /**<a name="line.21"></a>
<span class="sourceLineNo">022</span>     * Constructor.<a name="line.22"></a>
<span class="sourceLineNo">023</span>     *<a name="line.23"></a>
<span class="sourceLineNo">024</span>     * @param name the name of the field<a name="line.24"></a>
<span class="sourceLineNo">025</span>     * @param storageId field storage ID<a name="line.25"></a>
<span class="sourceLineNo">026</span>     * @param schema schema version<a name="line.26"></a>
<span class="sourceLineNo">027</span>     * @param typeName {@link Enum} class type name<a name="line.27"></a>
<span class="sourceLineNo">028</span>     * @param idents the unique enum identifiers<a name="line.28"></a>
<span class="sourceLineNo">029</span>     * @param indexed whether this field is indexed<a name="line.29"></a>
<span class="sourceLineNo">030</span>     * @throws IllegalArgumentException if any parameter is null<a name="line.30"></a>
<span class="sourceLineNo">031</span>     * @throws IllegalArgumentException if {@code name} is invalid<a name="line.31"></a>
<span class="sourceLineNo">032</span>     * @throws IllegalArgumentException if {@code storageId} is invalid<a name="line.32"></a>
<span class="sourceLineNo">033</span>     * @throws IllegalArgumentException if any identifier in {@code idents} is null, duplicate, or not a valid Java identifier<a name="line.33"></a>
<span class="sourceLineNo">034</span>     */<a name="line.34"></a>
<span class="sourceLineNo">035</span>    EnumField(String name, int storageId, Schema schema, boolean indexed, String typeName, List&lt;String&gt; idents) {<a name="line.35"></a>
<span class="sourceLineNo">036</span>        super(name, storageId, schema, EnumFieldType.create(typeName, idents), indexed);<a name="line.36"></a>
<span class="sourceLineNo">037</span>    }<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span>// Public methods<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>    /**<a name="line.41"></a>
<span class="sourceLineNo">042</span>     * Get the {@link EnumFieldType} associated with this instance.<a name="line.42"></a>
<span class="sourceLineNo">043</span>     */<a name="line.43"></a>
<span class="sourceLineNo">044</span>    @Override<a name="line.44"></a>
<span class="sourceLineNo">045</span>    public EnumFieldType getFieldType() {<a name="line.45"></a>
<span class="sourceLineNo">046</span>        return (EnumFieldType)super.getFieldType();<a name="line.46"></a>
<span class="sourceLineNo">047</span>    }<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span>    @Override<a name="line.49"></a>
<span class="sourceLineNo">050</span>    public &lt;R&gt; R visit(FieldSwitch&lt;R&gt; target) {<a name="line.50"></a>
<span class="sourceLineNo">051</span>        return target.caseEnumField(this);<a name="line.51"></a>
<span class="sourceLineNo">052</span>    }<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span>    @Override<a name="line.54"></a>
<span class="sourceLineNo">055</span>    public String toString() {<a name="line.55"></a>
<span class="sourceLineNo">056</span>        return "enum field `" + this.name + "'";<a name="line.56"></a>
<span class="sourceLineNo">057</span>    }<a name="line.57"></a>
<span class="sourceLineNo">058</span><a name="line.58"></a>
<span class="sourceLineNo">059</span>// Non-public methods<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span>    @Override<a name="line.61"></a>
<span class="sourceLineNo">062</span>    EnumFieldStorageInfo toStorageInfo() {<a name="line.62"></a>
<span class="sourceLineNo">063</span>        return new EnumFieldStorageInfo(this, this.parent != null ? this.parent.storageId : 0);<a name="line.63"></a>
<span class="sourceLineNo">064</span>    }<a name="line.64"></a>
<span class="sourceLineNo">065</span>}<a name="line.65"></a>
<span class="sourceLineNo">066</span><a name="line.66"></a>




























































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